Please use this identifier to cite or link to this item: https://doi.org/10.1007/s004660100237
Title: A meshless local petrov-galerkin (MLPG) method for free and forced vibration analyses for solids
Authors: Gu, Y.T.
Liu, G.R. 
Issue Date: Mar-2001
Source: Gu, Y.T., Liu, G.R. (2001-03). A meshless local petrov-galerkin (MLPG) method for free and forced vibration analyses for solids. Computational Mechanics 27 (3) : 188-198. ScholarBank@NUS Repository. https://doi.org/10.1007/s004660100237
Abstract: The meshless local Petrov-Galerkin (MLPG) method is an effective truly meshless method for solving partial differential equations using moving least squares (MLS) interpolants and local weak forms. In this paper, a MLPG formulation is proposed for free and forced vibration analyses. Local weak forms are developed using weighted residual method locally from the dynamic partial differential equation. In the free vibration analysis, the essential boundary conditions are implemented through the direct interpolation form and imposed using orthogonal transformation techniques. In the forced vibration analysis, the penalty method is used in implementation essential boundary conditions. Two different time integration methods are used and compared in the forced vibration analyses using the present MLPG method. The validity and efficiency of the present MLPG method are demonstrated through a number of examples of two-dimensional solids.
Source Title: Computational Mechanics
URI: http://scholarbank.nus.edu.sg/handle/10635/54352
ISSN: 01787675
DOI: 10.1007/s004660100237
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